1 files changed, 43 insertions, 0 deletions
diff --git a/libgo/go/debug/gosym/symtab_test.go b/libgo/go/debug/gosym/symtab_test.go
new file mode 100644
index 0000000000..08e86336b8
--- /dev/null
+++ b/libgo/go/debug/gosym/symtab_test.go
@@ -0,0 +1,43 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package gosym
+
+import (
+	"fmt"
+	"testing"
+)
+
+func assertString(t *testing.T, dsc, out, tgt string) {
+	if out != tgt {
+		t.Fatalf("Expected: %q Actual: %q for %s", tgt, out, dsc)
+	}
+}
+
+func TestStandardLibPackage(t *testing.T) {
+	s1 := Sym{Name: "io.(*LimitedReader).Read"}
+	s2 := Sym{Name: "io.NewSectionReader"}
+	assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "io")
+	assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "io")
+	assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LimitedReader)")
+	assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
+}
+
+func TestStandardLibPathPackage(t *testing.T) {
+	s1 := Sym{Name: "debug/gosym.(*LineTable).PCToLine"}
+	s2 := Sym{Name: "debug/gosym.NewTable"}
+	assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "debug/gosym")
+	assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "debug/gosym")
+	assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LineTable)")
+	assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
+}
+
+func TestRemotePackage(t *testing.T) {
+	s1 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.(*FlagSet).PrintDefaults"}
+	s2 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.PrintDefaults"}
+	assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
+	assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
+	assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*FlagSet)")
+	assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
+}